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LibWeb: Allow SVG painting to escape out of a shadow tree

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The spec for the `<use>` element requires a shadow tree for the
rendered content, so we need to be able to escape shadow trees when
rendering svg content.
This commit is contained in:
PrestonLTaylor 2023-05-28 18:27:35 +01:00 • committed by Andreas Kling
parent fd360ba171
commit 31d536912c
5 changed files with 24 additions and 5 deletions
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4
Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp
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@ -97,7 +97,7 @@ Gfx::AffineTransform SVGGraphicsElement::get_transform() const
{
// FIXME: It would be nice to do this using the SVGContext, however, then layout/hit testing knows nothing about the transform.
Gfx::AffineTransform transform = m_transform;
for (auto* svg_ancestor = first_ancestor_of_type<SVGGraphicsElement>(); svg_ancestor; svg_ancestor = svg_ancestor->first_ancestor_of_type<SVGGraphicsElement>()) {
for (auto* svg_ancestor = shadow_including_first_ancestor_of_type<SVGGraphicsElement>(); svg_ancestor; svg_ancestor = svg_ancestor->shadow_including_first_ancestor_of_type<SVGGraphicsElement>()) {
transform = Gfx::AffineTransform { svg_ancestor->m_transform }.multiply(transform);
}
return transform;
@ -179,7 +179,7 @@ Optional<float> SVGGraphicsElement::stroke_width() const
// FIXME: This isn't right, but it's something.
CSSPixels viewport_width = 0;
CSSPixels viewport_height = 0;
if (auto* svg_svg_element = first_ancestor_of_type<SVGSVGElement>()) {
if (auto* svg_svg_element = shadow_including_first_ancestor_of_type<SVGSVGElement>()) {
if (auto* svg_svg_layout_node = svg_svg_element->layout_node()) {
viewport_width = svg_svg_layout_node->computed_values().width().to_px(*svg_svg_layout_node, 0);
viewport_height = svg_svg_layout_node->computed_values().height().to_px(*svg_svg_layout_node, 0);